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EnglandComputer ScienceQuick questions
3.7 Relational databases and SQL
Quick questions on Databases and tables: records, fields, primary and foreign keys - AQA GCSE Computer Science
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State what a primary key is. [2 marks]
What is q2?Show answer
Explain how a foreign key links two tables. [2 marks]
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